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*Nuclear inclusions are quite rare and not required to make the diagnosis -- but a very convincing feature if seen. | *Nuclear inclusions are quite rare and not required to make the diagnosis -- but a very convincing feature if seen. | ||
*Papillae may be seen in Graves disease. | *Papillae may be seen in Graves disease. | ||
DDx: | |||
*[[Lymphocytic thyroiditis]]: | |||
**[[Graves disease]]. | |||
**[[Hashimoto thyroiditis]]. | |||
*[[Solid cell nest of thyroid]].<ref name=pmid16830963>{{Cite journal | last1 = Baloch | first1 = ZW. | last2 = LiVolsi | first2 = VA. | title = Cytologic and architectural mimics of papillary thyroid carcinoma. Diagnostic challenges in fine-needle aspiration and surgical pathology specimens. | journal = Am J Clin Pathol | volume = 125 Suppl | issue = | pages = S135-44 | month = Jun | year = 2006 | doi = | PMID = 16830963 | URL = http://ajcp.ascpjournals.org/content/supplements/125/Suppl_1/S135.full.pdf }}</ref> | |||
====Subtypes of papillary thyroid carcinoma==== | ====Subtypes of papillary thyroid carcinoma==== |
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